Fangrui Product Details User Capacity: 1000 User Panel: Touch Screen Panel Working Frequency: 13.56mhz Card Reading Type: Rfid Mf Ic Card Card Reading Distance: 0-5cm Record Capacity: Mobile Phone App Remotely View The Latest 10000 Lock Opening Information. Administrator: A Maximum Of Three Administrators Can Be Configured. Backlight: Has Backlight Waterproof Function: Ip65 Waterproof, Can Be Installed Outdoor Volume Setting: 0-4 Adjustable Volume Working Voltage: Dc 12v Working Current:less Than Equal 30ma Door Opening Time: 01 Seconds To 30 Minutus Adjustable Working Temperature: -20c - +60c Working Humidity: - Colour:black Material:plastic Package Contents: 1x Access Control Keyboard Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.